Draconis
ElCeejo

Adds terrifying Dragons and powerful equipment.

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

Alien Material
debiankaios

Adds new blocks, items, and tools from aliens. A new time begins.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Noriel Sylvire's Minerals Core Mod
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.